Equivalent Fractions
What is an equivalent fractions?
Fractions with different numerators and denominators but are equal to the same value.
What symbols do we use to compare fractions?
<, >, =.
What is an improper fraction?
When the numerator is bigger than the denominator.
What are at least two words that tell us we're adding?
increase, add, and, total, sum, together, more than.
What are at least two words that tell us we're subtracting?
left, reduce, difference, less than, from, decrease.
How do we write an equivalent fraction chain?
fraction = fraction = fraction = ...
ex: 1/2 = 2/4 = 3/6 = ...
How do we compare fractions?
Make them the same denominator and see which is bigger/smaller/equal.
What is a mixed number?
A number that both has a whole number and a fraction.
What's the first step for adding unlike fractions?
Making the fractions have the same denominator.
What are the two methods to make unlike fractions like?
Cross multiply (or butterfly method) and least common denominator (LCM).
Show 4 equivalent fractions to 1/3
1/3 = 2/6 = 3/9 = 4/12 = ...
Compare these two fractions:
4/7 ___ 8/14
=.
Change 16/3 to a mixed number.
5 1/3.
Add these two unlike fractions:
2 2/5 + 2/10
2 6/10 or 2 3/5.
Subtract these two unlike fractions:
3 4/5 - 3/10
3 5/10 or 3 1/2.
Show 4 equivalent fractions to 5/7
5/7 = 10/14 = 15/21 = 20/28 = ...
Compare these two fractions:
5/8 __ 11/24
>.
Change 8 3/6 to an improper fraction
51/6.
Add these two unlike fractions:
4 ¾ + 2 ½
7 1/4 or 7 2/8.
Subtract these two unlike fractions:
8 5/8 - 3 1/4
5 3/8.
Show 4 equivalent fractions to 9/6
9/6 = 18/12 = 27/18 = 36/24 = ...
Compare these two fractions:
11/3 __ 12/5
>.
Change 43/6 to a mixed number.
7 1/6.
Add these two unlike fractions:
3 1/3 + 2 4/5
6 2/15.
Subtract these two unlike fractions:
5 2/3 - 2 3/5
3 1/15.